WO2016045350A1

WO2016045350A1 - Rechargeable battery, method for using rechargeable battery, and charging system

Info

Publication number: WO2016045350A1
Application number: PCT/CN2015/076006
Authority: WO
Inventors: 伏红峰
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-09-25
Filing date: 2015-04-07
Publication date: 2016-03-31
Also published as: CN105471013A

Abstract

Provided are a rechargeable battery, a method for using a rechargeable battery, and a charging system; the battery comprises a power supply input terminal (10) of a micro USB-B female connector port, arranged to receive a supply power supplied by an external power supply device; a power supply output terminal (20) of a micro USB 3.0-B male connector port, arranged to supply power to the mobile terminal according to the supply power, and/or provide its own status information to the mobile terminal during the process of supplying power, the mobile terminal being equipped with a micro USB 3.0-B female connector port. The rechargeable battery supplies an operating power to a portable mobile terminal, ensures safety during use of the battery, and also improves user experience.

Description

Rechargeable battery, method of using rechargeable battery, and charging system

Technical field

The present invention relates to the field of communications, and in particular to a rechargeable battery, a method of using the rechargeable battery, and a charging system.

Background technique

At present, as more and more users increase the demand and dependence of portable mobile terminals, mobile terminals on the market are getting more and more popularized and popularized, along with the continuous development of portable mobile terminals. A battery with a portable mobile terminal. At present, the design of the portable mobile terminal battery on the market generally adopts a micro USB-B female interface for the external output power port, and provides some LED working status indicators for indicating the battery power on the surface of the battery.

However, the above design approach has the following drawbacks:

In the case where the battery is externally combined, if it is a damaged battery or a battery with abnormal status, the portable mobile terminal accessing the battery will not be informed of the state of use of the battery, which may cause the portable mobile terminal to fail to boot, etc. Abnormal working status.

In the case where the battery is externally combined, if the battery's power is gradually reduced, and when it is reduced to near no power, the portable mobile terminal accessing the battery cannot be informed of the use state of the battery, thereby easily causing the portable mobile terminal to restart or Abnormal state such as power failure shutdown.

In the case where the battery is externally combined, if the temperature of the battery is gradually increased or decreased, the portable mobile terminal accessing the battery cannot be informed of the state of use of the battery, thereby easily causing a safety hazard of the battery, and may also cause a portable Mobile terminals use security risks.

In the case where the battery is an external combination, the remaining battery power information of the current battery cannot be displayed on the portable mobile terminal, and the information cannot be synchronized to other devices accessing the portable mobile terminal.

In the case where the battery is built-in, if the battery is damaged, the portable mobile terminal will not be able to start working. Even if the battery is removed, the portable mobile terminal will not be able to start working.

Summary of the invention

The embodiment of the invention provides a charging battery, a method for using the rechargeable battery, and a charging system to solve at least the problem that the rechargeable battery provided in the related art has poor expandability and cannot provide self state information.

According to an aspect of an embodiment of the present invention, a rechargeable battery is provided.

The rechargeable battery according to the embodiment of the present invention includes: a power input end of the micro USB-B female interface, configured to receive power supply from the external power supply device; and a power output terminal of the micro USB 3.0-B male interface, set to The mobile terminal is powered according to the power supply, and/or provides the mobile terminal with its own status information during the power supply to the mobile terminal, wherein the mobile terminal is configured with a micro USB 3.0-B female interface.

Preferably, the rechargeable battery further comprises: an overvoltage protection device configured to monitor whether the input voltage of the power input terminal exceeds a preset range in real time; if the preset range is exceeded, the subsequent power supply output is cut off, and if the preset range is not exceeded, the battery is turned on. Power input and power output.

Preferably, the rechargeable battery further includes: a charging management device, configured to determine whether the required power of the rear-end load connected to itself is greater than the power supply; if the required power is greater than or equal to the power supply, the battery is backward according to the power supply and the current remaining power The stage load is used for power supply. If the required power is less than the power supply, the power is supplied to the rear stage load and the rechargeable battery itself is powered.

Preferably, the rechargeable battery further includes: an indicator light, configured to indicate whether the input voltage of the power input terminal exceeds a preset range; if the input voltage does not exceed the preset range, send a first indication signal that the input voltage is in a normal state to the mobile terminal, If the input voltage exceeds the preset range, transmitting a second indication signal that the input voltage is in an abnormal state to the mobile terminal.

According to another aspect of an embodiment of the present invention, a method of using a rechargeable battery is provided.

The method for using the rechargeable battery according to the embodiment of the present invention includes: transmitting the identification information of the mobile terminal to the mobile terminal via the micro USB 3.0-B male interface, wherein the rechargeable battery itself is configured with the power input end of the micro USB-B female interface And the power output end of the micro USB3.0-B male interface, the mobile terminal is configured with a micro USB3.0-B female interface; when the mobile terminal determines that the identification information belongs within the preset range, via the micro USB3.0- The B male interface supplies power to the mobile terminal and/or provides its own status information.

Preferably, the identification information is sent to the mobile terminal via the first signal line on the micro USB 3.0-B male interface, wherein the identification information is used by the mobile terminal to determine whether the identification information is within a preset range, and when the identification information belongs to Allows the rechargeable battery to be powered and/or provide status information when within the preset range.

Preferably, the status information includes: whether the damaged usage status information occurs; the usage status information is sent to the mobile terminal via the second signal line on the micro USB 3.0-B male interface, wherein the usage status information is that no damage occurs. And transmitting a first level to the mobile terminal, and transmitting a second level to the mobile terminal when the usage status information is that damage occurs.

Preferably, the foregoing status information includes: indication information indicating whether charging is completed; sending indication information to the mobile terminal via a third signal line on the micro USB 3.0-B male interface, wherein when the indication information is that charging is not completed, The mobile terminal transmits a first level, and when the indication information is that charging has been completed, transmits a second level to the mobile terminal.

Preferably, before powering the mobile terminal, the method further includes: monitoring whether the input voltage of the power input terminal exceeds a preset range in real time; if it is determined to exceed the preset range, cutting off the subsequent power supply output, if it is determined that the preset range is not exceeded, Through the power input and power output.

Preferably, the power supply to the mobile terminal includes: determining whether the required power of the rear-end load connected to itself is greater than the power supply; if it is determined that the required power is greater than or equal to the power supply, the power is supplied to the subsequent load according to the power supply and the current remaining power. Power supply, if it is determined that the required power is less than the power supply, the power is supplied to the latter load and the rechargeable battery itself is charged.

According to still another aspect of an embodiment of the present invention, a charging system is provided.

A charging system according to an embodiment of the present invention includes: a rechargeable battery and a mobile terminal, wherein the rechargeable battery is configured with a power input of a micro USB-B female interface and a power output of a micro USB 3.0-B male interface, and the mobile terminal It is equipped with a micro USB3.0-B female interface.

Through the embodiment of the present invention, the power input end of the micro USB-B female interface is set to receive the power supply from the external power supply device; the power output end of the micro USB3.0-B male interface is set to the mobile terminal. Providing power supply and/or providing the mobile terminal with its own state information, wherein the mobile terminal is configured with a micro USB 3.0-B female interface, which solves the problem that the rechargeable battery provided in the related art has poor scalability and cannot provide its own state information. The problem, in turn, can provide the user with a battery component for the portable mobile terminal, thereby providing working power for the portable mobile terminal, and in addition, by fully reporting the information of the battery to the portable mobile terminal, not only can the battery be safely used, but also It can also enhance the user experience.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a block diagram showing the structure of a rechargeable battery according to an embodiment of the present invention;

2 is a block diagram showing the structure of a rechargeable battery in accordance with a preferred embodiment of the present invention;

3 is a flow chart of a method of using a rechargeable battery in accordance with an embodiment of the present invention;

4 is a schematic diagram of an application scenario of a battery in combination with a portable mobile terminal having a micro USB 3.0-B female interface according to a preferred embodiment of the present invention;

5 is a schematic diagram of an application scenario of a battery in combination with a portable mobile terminal and a charger having a micro USB 3.0-B female interface according to a preferred embodiment of the present invention;

6 is a schematic diagram of an application scenario of a battery in combination with a portable mobile terminal and a PC having a micro USB 3.0-B female interface according to a preferred embodiment of the present invention;

7 is a schematic diagram of an application scenario in which a battery and a charger are used in combination according to a preferred embodiment of the present invention;

8 is a schematic diagram of an application scenario of a battery and a PC computer used in combination according to a preferred embodiment of the present invention;

9 is a block diagram showing the structure of a charging system in accordance with an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

1 is a block diagram showing the structure of a rechargeable battery according to an embodiment of the present invention. As shown in FIG. 1, the rechargeable battery may include: a power input terminal 10 of a micro USB-B female interface, configured to receive power from an external power supply device; and a power output of a micro USB 3.0-B male interface 20, configured to supply power to the mobile terminal according to the power supply, and/or provide the mobile terminal with its own state information during the power supply to the mobile terminal, wherein the mobile terminal is configured with a micro USB3.0-B female interface.

The rechargeable battery provided in the related art has poor scalability and cannot provide its own status information. Using the method shown in FIG. 1, the rechargeable battery can be used to report the current status information to the mobile terminal by using the micro USB 3.0-B male interface, and even if the battery is abnormal, even if the battery is removed, Will affect the continued use of mobile terminals. In addition, the mobile terminal can also be provided with power required for operation, and the rechargeable battery can be used in combination with the mobile terminal to provide the mobile terminal with the operational and status parameters of the battery. Therefore, the problem that the rechargeable battery provided in the related art is poor in scalability and unable to provide self-state information is solved, and the battery component for the portable mobile terminal can be provided to the user, thereby providing working power for the portable mobile terminal. Pass The information of the battery is completely reported to the portable mobile terminal, which not only ensures the safety of the use of the battery, but also enhances the user experience.

Preferably, as shown in FIG. 2, the above rechargeable battery may further include: an overvoltage protection device 30 configured to monitor whether the input voltage of the power input terminal exceeds a preset range in real time; if the preset range is exceeded, the subsequent power supply output is cut off, if If the preset range is not exceeded, the power input and the power output are connected.

Preferably, as shown in FIG. 2, the rechargeable battery may further include: a charging management device 40, configured to determine whether the required power of the rear-end load connected to itself is greater than the power supply; if the required power is greater than or equal to the power supply, The power supply and its current remaining power supply power to the subsequent load. If the required power is less than the power supply, the power is supplied to the subsequent load and the rechargeable battery itself is powered.

Preferably, as shown in FIG. 2, the rechargeable battery may further include: an indicator light 50, configured to indicate whether the input voltage of the power input terminal exceeds a preset range; if the input voltage does not exceed the preset range, send the input voltage to the mobile terminal. The first indication signal in a normal state sends a second indication signal that the input voltage is in an abnormal state to the mobile terminal if the input voltage exceeds a preset range.

As a preferred embodiment of the present invention, the rechargeable battery may have a built-in Li-ion lithium battery, a micro USB 3.0-B interface portable mobile terminal battery, and the rechargeable battery may include: a micro USB-B female interface Power input, a micro USB3.0-B male interface power output, LED work indicator, overvoltage protection chip and charge management chip. The above components can be described as the following unit modules:

(1) Overvoltage protection module: This module can be composed of overvoltage and overcurrent protection devices, which is responsible for real-time monitoring whether the voltage of the power input terminal on the micro USB-B female interface exceeds the rated value; when the rated value is exceeded, it will be cut off. The power supply of the rear stage is used to protect the equipment of the latter stage. When the rated value is not exceeded, the power input can be connected to the power output. In addition, the built-in power management chip will monitor the VBUS voltage on the micro USB-B interface in real time. If normal, the rear stage output circuit will be turned on.

In the preferred embodiment, when the voltage input is normal, the LED indicator will reflect that the input voltage is within the normal range and send a signal indicating that the input voltage is normal to the portable mobile terminal via the micro USB 3.0-B interface. When the voltage input is abnormal, the LED indicator will reflect that the input voltage has exceeded the normal range, and send a signal indicating that the input voltage is abnormal to the portable mobile terminal through the micro USB3.0-B interface.

(2) Voltage detection and control module: This module is mainly composed of a voltage comparator and a switch tube to form a unit module for detection and control.

(3) Charging management module: The module is mainly composed of a charging management chip, a switching tube, a voltage, a current detecting device and a temperature detecting device.

In the preferred embodiment, the post-stage circuit can be split into two paths, one of which is for battery charging and the other for direct power to the downstream load. The above two circuits can control the current direction of the power source and the battery by one or more switch tubes, wherein if only one light pipe is used, the external power supply device either chooses to directly supply power to the rear stage load, or selects to charge the battery; If multiple switch tubes are used at the same time, the external power supply device can not only directly supply power to the rear stage load, but also charge the battery. In addition, the external power supply device and the rechargeable battery can be directly powered by the back-stage load, or both can be directly powered for the latter load.

When the current required by the rear stage load is greater than the input end, the switch tube will turn on the supply of the battery to the subsequent stage. At this time, the power supply input end and the battery simultaneously supply power to the rear stage to ensure the normal operation of the rear stage device to the greatest extent. When the rear stage load needs less current than the input end, the switch tube will turn on the input end to supply the battery. At this time, the input power supply not only satisfies the power requirement of the normal operation of the latter equipment, but also inputs the remaining power into the battery to charge the battery. .

(4) Status output module: This module can be used to compare the four wires of the USB-A male on the micro USB3.0-B to customize the battery ID, battery usage status, and whether the battery is fully charged.

3 is a flow chart of a method of using a rechargeable battery in accordance with an embodiment of the present invention. As shown in FIG. 3, the method may include the following processing steps:

Step S302: Sending the identification information of the mobile terminal to the mobile terminal via the micro USB 3.0-B male interface, wherein the rechargeable battery itself is configured with a power input of the micro USB-B female interface and a micro USB 3.0-B male interface. The power output end, the mobile terminal is configured with a micro USB3.0-B female interface;

Step S304: When the mobile terminal determines that the identification information belongs to the preset range, the mobile terminal is powered and/or provides its own state information via the micro USB 3.0-B male interface.

The method shown in FIG. 3 solves the problem that the rechargeable battery provided in the related art has poor expandability and cannot provide self-state information, and thus can provide a battery component for the portable mobile terminal for the user to be portable. The terminal provides the working power. In addition, by completely reporting the information of the battery to the portable mobile terminal, not only can the battery be safely used, but also the user's feeling of use can be improved.

Preferably, in step S302, the identification information may be sent to the mobile terminal via the first signal line on the micro USB 3.0-B male interface, where the identification information is used by the mobile terminal to determine whether the identification information is in a preset range. Internally, and when the identification information falls within a preset range, the rechargeable battery is allowed to supply power and/or provide status information.

In a preferred embodiment, Table 1 is a custom USB 3.0 micro-B signal in accordance with a preferred embodiment of the present invention. As shown in Table 1,

Table 1

In the preferred embodiment, after the battery is connected to the portable mobile terminal, the terminal will read the value of the signal (the battery ID can be an analog quantity) and compare and judge with the preset battery ID analog value of the terminal. If both values are within a predetermined reasonable range, the battery is allowed to access the terminal and it is a legitimate battery; if the read signal value is not within a predetermined reasonable range, the battery is considered to be connected. Terminal, but not a legitimate battery.

Preferably, in step S304, the foregoing status information may include: whether the damaged usage status information occurs; sending the usage status information to the mobile terminal via the second signal line on the micro USB 3.0-B male interface, wherein, when used The status information is that the first level is transmitted to the mobile terminal when no damage occurs, and the second level is transmitted to the mobile terminal when the usage status information is that the damage occurs.

In a preferred embodiment, when the battery health is good, the bad battery signal will be set to represent a good battery signal, such as a high level, the signal can be transmitted to the host, and then the level signal is recognized by the host. The battery is considered to be in good health. When the battery health is damaged, the bad battery signal will be set to represent the bad battery signal, for example: low level, the signal can be transmitted to the host, and then the host recognizes the level signal, then the battery is considered healthy. The condition is damaged.

Preferably, in step S304, the status information may include: indication information indicating whether charging is completed; sending indication information to the mobile terminal via a third signal line on the micro USB 3.0-B male interface, wherein The information is that the first level is sent to the mobile terminal when the charging is not completed, and the second level is sent to the mobile terminal when the indication information is that the charging has been completed.

In a preferred embodiment, when the battery is not fully charged, the signal that the battery is full is set to a signal indicating that the battery is not full, for example, a low level, the signal can be transmitted to the host, and if the host recognizes the level signal, The battery will not be considered full. When the battery is fully charged, the signal that the battery is full is set to a signal indicating that the battery is full, for example, a high level, the signal is transmitted to the host, and if the host recognizes the level signal, the battery is considered to be full.

In a preferred implementation, the signal can be output via a micro USB 3.0-B port.

Preferably, before the power is supplied to the mobile terminal in step S304, the following operations may also be included:

Step S1: real-time monitoring whether the input voltage of the power input terminal exceeds a preset range;

Step S2: If it is determined that the preset range is exceeded, the subsequent power supply output is cut off, and if it is determined that the preset range is not exceeded, the power input end and the power output end are turned on.

By monitoring the voltage of the power input terminal on the micro USB-B female interface in real time to determine whether it exceeds the rated value; when the rated value is exceeded, the output of the rear stage power supply will be cut off, so as to protect the equipment of the latter stage. When the rated value is not exceeded, the power input can be connected to the power output.

Preferably, in step S304, powering the mobile terminal may include the following steps:

Step S3: determining whether the required power of the post-stage load connected to itself is greater than the power supply amount;

Step S4: If it is determined that the required power is greater than or equal to the power supply, the power is supplied to the subsequent load according to the power supply and the current remaining power. If it is determined that the required power is less than the power supply, the power is supplied to the subsequent load and the rechargeable battery itself. Charge it.

When the current required by the rear stage load is greater than the input end, the power supply input terminal and the battery simultaneously supply power to the rear stage to ensure the normal operation of the rear stage device to the greatest extent; when the rear stage load requires less current than the input end, the input power supply is In addition to the power requirements for the normal operation of the latter equipment, the remaining power can be input into the battery to charge the battery.

The above preferred implementation process will be further described below in conjunction with the following specific application scenarios.

4 is a schematic diagram of an application scenario in which a battery is used in combination with a portable mobile terminal having a micro USB 3.0-B female interface in accordance with a preferred embodiment of the present invention. As shown in Figure 4, through the micro USB3.0-B interface, the battery The VBUS interface is connected to the power terminal of the portable mobile terminal to provide working power for the portable mobile terminal. Whether the battery is damaged and the battery is fully charged, the three signal lines of the battery ID are connected to the three GPIO pins of the portable mobile terminal through the micro USB3.0-B interface, wherein the GPIO pin connecting the ID line has an ADC characteristic.

5 is a schematic diagram of an application scenario in which a battery is used in combination with a portable mobile terminal and a charger having a micro USB 3.0-B female interface according to a preferred embodiment of the present invention. As shown in FIG. 5, through the micro USB3.0-B interface, the VBUS interface of the battery is connected to the power terminal of the portable mobile terminal to provide working power for the portable mobile terminal. Whether the battery is damaged and the battery is fully charged, the three signal lines of the battery ID are connected to the three GPIO pins of the portable mobile terminal through the micro USB3.0-B interface, wherein the GPIO pin connecting the ID line has an ADC characteristic. When the battery is not fully charged, the charger will charge the battery and also power the system; when the battery is fully charged, the charger will no longer charge the battery, but only the system.

6 is a schematic diagram of an application scenario of a battery in combination with a portable mobile terminal having a micro USB 3.0-B female interface and a PC computer in accordance with a preferred embodiment of the present invention. As shown in FIG. 6, the VBUS interface of the battery is connected to the power terminal of the portable mobile terminal through the micro USB 3.0-B interface to provide working power for the portable mobile terminal. Whether the battery is damaged and the battery is fully charged, the three signal lines of the battery ID are connected to the three GPIO pins of the portable mobile terminal through the micro USB3.0-B interface, wherein the GPIO pin connecting the ID line has an ADC characteristic. When the terminal reads the ID value of the battery (for example, the BATT ID of Table 1 above) within the range allowed by the terminal, the battery is considered to be the battery approved by the terminal; and when the ID value of the battery is not within the range allowed by the terminal Inside, the terminal will prompt the user through the display device and other devices that the battery component is illegal, please remove it. The BAD BATT of Table 1 above will indicate that the battery is good when the health status of the battery indicates good; the BAD BATT shown in Table 1 above will indicate the signal of the bad battery when the battery health indicates damage. When the battery has not been fully charged, the charger will charge the battery. The BATT CHARGED shown in Table 1 above indicates that the battery is charging and also supplies power to the system. When the battery is fully charged, the charger will no longer charge the battery. Therefore, the signal of BATT CHARGED shown in Table 1 above will be reversed, indicating that the battery has been charged, and only the system can be powered.

7 is a schematic diagram of an application scenario in which a battery and a charger are used in combination according to a preferred embodiment of the present invention. As shown in Figure 7, by connecting to the charger, the charger will charge the battery, then when the battery is full, the charger will no longer charge the battery. The BATT_CHRGED signal in Table 1 above will be reversed, indicating that it is a battery. Full signal level.

FIG. 8 is a schematic diagram of an application scenario in which a battery is used in combination with a PC computer according to a preferred embodiment of the present invention. As shown in Figure 8, by connecting to a PC, the PC will charge the battery, and when the battery is fully charged, the charger will no longer charge the battery.

9 is a block diagram showing the structure of a charging system in accordance with an embodiment of the present invention. As shown in FIG. 9, the charging system may include: a rechargeable battery 1 and a mobile terminal 2, wherein the rechargeable battery is configured with a power input of a micro USB-B female interface and a power output of a micro USB 3.0-B male interface End, the mobile terminal is configured with a micro USB3.0-B female interface.

From the above description, it can be seen that the foregoing embodiment achieves the following technical effects (it is required that the effects are achievable by some preferred embodiments): the technical solution provided by the embodiment of the present invention is adopted. A Li-ion battery, the external interface provides a micro USB-B power input interface, a micro USB3.0-B power output interface, which can provide the power required for the portable mobile terminal connected to the battery, and It also provides information such as the working status of the battery. This allows the battery to be used in combination with a portable mobile terminal supporting a micro USB 3.0-B interface, thereby providing the portable mobile terminal with the power required for operation. When the battery is in an abnormal state such as damage, the battery can be removed without affecting the normal operation of the portable mobile terminal; in addition, information such as the remaining power of the battery, whether the charging is completed, the temperature, and the like can be reported to the portable mobile terminal.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

As described above, a rechargeable battery, a method of using the rechargeable battery, and a charging system provided by the embodiments of the present invention have the following beneficial effects: the battery can be used in combination with a portable mobile terminal supporting a micro USB 3.0-B interface, thereby being portable. The terminal provides the power required for the job. When the battery is in an abnormal state such as damage, the battery can be removed without affecting the normal operation of the portable mobile terminal; in addition, information such as the remaining power of the battery, whether the charging is completed, the temperature, and the like can be reported to the portable mobile terminal.

Claims

A rechargeable battery comprising:

The power input of the micro-micro universal serial bus USB-B female interface is configured to receive power from the external power supply device;

a power output end of the micro USB 3.0-B male interface, configured to supply power to the mobile terminal according to the power supply, and/or provide the mobile terminal with state information during power supply to the mobile terminal The mobile terminal is configured with a micro USB 3.0-B female interface.
The rechargeable battery according to claim 1, wherein the rechargeable battery further comprises:

The overvoltage protection device is configured to monitor in real time whether the input voltage of the power input terminal exceeds a preset range; if the preset range is exceeded, the subsequent power supply output is cut off, and if the preset range is not exceeded, the current is turned on. A power input and the power output.
The rechargeable battery according to claim 1, wherein the rechargeable battery further comprises:

The charging management device is configured to determine whether the required power of the rear-end load connected to itself is greater than the power supply; if the required power is greater than or equal to the power supply, according to the power supply and the current remaining power The post-stage load is powered, and if the required power is less than the power supply, the power is supplied to the post-stage load and the rechargeable battery itself is charged.
The rechargeable battery according to claim 1, wherein the rechargeable battery further comprises:

And an indicator light, configured to indicate whether the input voltage of the power input terminal exceeds a preset range; if the input voltage does not exceed the preset range, send a first indication that the input voltage is in a normal state to the mobile terminal a signal, if the input voltage exceeds the preset range, transmitting, to the mobile terminal, a second indication signal that the input voltage is in an abnormal state.
A method of using a rechargeable battery according to any one of claims 1 to 4, comprising:

Sending its own identification information to the mobile terminal via the micro micro universal serial bus USB3.0-B male interface, wherein the rechargeable battery itself is configured with a power input of the micro USB-B female interface and a micro USB 3.0- a power output end of the B male interface, the mobile terminal is configured with a micro USB3.0-B female interface;

When the mobile terminal determines that the identification information belongs to a preset range, the mobile terminal is powered and/or provides its own state information via the micro USB 3.0-B male interface.
The method of claim 5, wherein the identification information is transmitted to the mobile terminal via a first signal line on the micro USB 3.0-B male interface, wherein the identification information is for the The mobile terminal determines whether the identification information is within the preset range, and allows the rechargeable battery to supply power and/or provide the status information when the identification information belongs within the preset range.
The method according to claim 5, wherein said status information comprises: whether or not damaged usage status information occurs; transmitting to said mobile terminal via said second signal line on said micro USB 3.0-B male interface The usage status information, wherein when the usage status information is that no damage has occurred, the first level is sent to the mobile terminal, and when the usage status information is damaged, the second power is sent to the mobile terminal. level.
The method of claim 5, wherein the status information comprises: indication information as to whether charging is complete; transmitting the said signal to the mobile terminal via a third signal line on the micro USB 3.0-B male interface Instructing information, wherein the first level is sent to the mobile terminal when the indication information is that charging is not completed, and the second level is sent to the mobile terminal when the indication information is that charging is completed.
The method of claim 5, further comprising: before powering the mobile terminal:

Real-time monitoring whether the input voltage of the power input terminal exceeds a preset range;

If it is determined that the preset range is exceeded, the subsequent power supply output is turned off, and if it is determined that the preset range is not exceeded, the power input terminal and the power output terminal are turned on.
The method of claim 5 wherein powering the mobile terminal comprises:

Determining whether the required power of the post-stage load connected to itself is greater than the power supply amount;

If it is determined that the required power is greater than or equal to the power supply, the power is supplied to the subsequent load according to the power supply and the current remaining power, and if it is determined that the required power is less than the power supply, The post-stage load supplies power and charges the rechargeable battery itself.
A charging system comprising: the rechargeable battery and the mobile terminal according to any one of claims 1 to 4, wherein the rechargeable battery is provided with a power input of a micro USB-B female interface and a micro USB 3.0- The power output end of the B male interface, the mobile terminal is configured with a micro USB3.0-B female interface.